TM 55-1930-208-10
2-6. OPERATOR/CREW PMCS PROCEDURES - Continued.
e. Equipment is Not Ready/Available If: Column- Continued.
(2) Denies use of the equipment until corrective maintenance has been performed.
f. If it is necessary for you to know how fluid leakage affects the status of your vessel. The following are definitions
of the types/classes of leakage you need to know to be able to determine the status of your vessel. Learn, then be
familiar with them and REMEMBER WHEN IN DOUBT, NOTIFY YOUR SUPERVISOR.
Leakage Definitions for Operator PMCS
CLASS I
Seepage of fluid (as indicated by wetness or discoloration) not
great enough to form drops.
CLASS II
Leakage of fluid great enough to form drops but not enough to
cause drops to drip from the item being checked/inspected.
CLASS III
Leakage of great enough to form drops that fall from the item being
checked/inspected.
quipment operation is allowable with minor leakage (Class I or II). Of course, consideration must be
E
given to the fluid capacity in the item/system being checked/inspected. When in doubt, notify your
supervisor.
hen operating with Class I or Class II leaks, continue to check fluid levels as required in your PMCS.
W
lass III leaks should be reported to your supervisor or to direct support maintenance.
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